﻿/*
* Copyright (c) 2014 Microsoft Mobile
* 
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/

using System.Linq;

namespace Lumia.Imaging.Extras.Effects.DepthOfField.Internal
{

	public class GroupChangeTracker : IChangeTracker
	{
		private IChangeTracker[] m_changeTrackers;

		public GroupChangeTracker(params IChangeTracker[] changeTrackers)
		{
			m_changeTrackers = changeTrackers;
		}


		public bool IsDirty
		{
			get 
			{ 
				return m_changeTrackers.Any(tracker => tracker.IsDirty); 
			}
		}

		public void Reset()
		{
			foreach (var changeTracker in m_changeTrackers)
			{
				changeTracker.Reset();
			}
		}
	}

}
